Home / 75,175.56-103,505.58-63,822.60

Finding the Fourth Proportional to 75,175.56, 103,505.58 and 63,822.60

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Solution

The fourth proportional to 75,175.56, 103,505.58 and 63,822.60 is: 87,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,175.56 : 103,505.58 = 63,822.60 : x
  2. Step 2: Convert to fraction form
    75,175.56/103,505.58 = 63,822.60/x
  3. Step 3: Cross multiply
    75,175.56x = 103,505.58 × 63,822.60
  4. Step 4: Simplify right side
    75,175.56x = 6,605,995,230.11
  5. Step 5: Solve for x
    x = 6,605,995,230.11/75,175.56
  6. Step 6: Final answer
    x = 87,874.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.